Heatwaves can kill, so learn how to stay cool in hot weather and watch for the signs and symptoms of heat exhaustion and heat stroke. Here's what to look for and what you can do to help. Note that risk of heat related illness can increase with young children and elderly, pregnancy and those taking certain medications. Here's what to look for and what you can do to help.
Heat exhaustion happens when someone becomes dehydrated due to fluid loss from a hot environment and/or excessive physical activity.
Heatstroke is a life-threatening emergency and can cause a person to collapse or fall unconscious. Heatstroke is more serious and means the body is no longer able to regulate its temperature by cooling the skin's surface by sweating. The internal body temperature rises, and organ damage can occur.